9.01102-10-199411-产品及产品特征的分类-eng

normazioneCLASS,F,CAT,ONCR,TER,AFORPRODUCTSANDTHE,RCHARACTER,ST,CS9.01102/10ThisProcurementSpecificationcoversthecriteriatocIassifyproductsandtheircharacteristics.SimiIarcriteriacontainedinP.S.9.01102“QuaIityofSuppIies”areestabIishedincompIiancewiththisProcurementSpecification.ThisProcurementSpecificationconsistsof10pagesand1Annex一Code一Ch.4EditionChangeDescription一一一ATHEONLYVAL,DTHEONLYVAL,DREFERENCE,STHEONLYVAL,DREFEREChange2GENERALproductquaIityandreIiabiIityaretheresuItoftheconcertedeffortsofaIIdepartmentsandfunc-tionsofacompany.MajoractiviteswhichcontributetoachievingproductquaIityandreIiabiIityincIudedesign,spec-ificationofprocessandinspectioncycIes,seIectionofproductionandcontroIequipment,per-sonneItraining,suppIiersmonitoring,dataacquisitionanddistributionandprobIemsoIving.ThecIassificationofproductsandtheircharacteristicsisoneofthemethodoIogicaImeanswhichcontributetocorrectIyperformingtheabove一mentionedactivities,justbecauseitisperformedwiththepurposeofensuringproductquaIityandreIiabiIity..3CLASS,F,CAT,ONOFPRODUCTSANDTHE,RCHARACTER,ST,CS3.1Productclassification3.1.1RawmateriaIs,semifinishedstockandfinishedproductsarecIassifiedonthebasisoftheirimpactontheserviceabiIityoftheassembIyforwhichtheyareintended.ThiscIassification,caIIed“productserviceCIass”isoneofthetwobasicparameterstogetherwiththecIassificationofCharacteristics,usedtopIantheproductionprocess(manufacturing,dispacementandinspection)duringtheproductDeveIopmentphase.,naddition,thiscIassificationisindispensabIeforproductswhichmustcompIywithageneraIprocurementspecification,suchassteeIstampings(p.s.9.50206),ironcastings(p.s.9.50250),IightaIIoycastings(p.s.9.50305)orweIdedcomponents(e.g.p.s.9.50170).Forsuchproducts,the“serviceCIass”isessentiaIinestabIishingthecIassofimportancetobeassignedtoquaIitycharacteristicsand,insomecases,forestabIishingacceptancestandardsforcertaindefects(e.g.inradiographicinspection).3.1.2productserviceCIassesareasfoIIows:一serviceCIass1:safety一reIatedproducts.ThisreIationexistsonIyinexceptionaIconcur-rentcircumstances.ReportComponents(i.e.componentscontainingatIeastoneReportchar-acteristic一seep.s.9.0112/05“ReportCharacteristics”)areasubassem-bIyofthes.c.1components,asaccurateIydefinedinthatprocurementspecification.一serviceCIass2:productsconsideredtobeveryimportantintermsofserviceabiIity,imageand/orhighrepIacementcosts.一serviceCIass3:productsotherthanCIasses1and2.productservicecIassshaIIbeindicatedondrawingorstandardpartsheet;ondrawings,servicecIassshaIIbeindicatedbypIacingthesymboIs1.1D,2or3inthespacemarkedC.F.ontitIebIockasshowninAnnex1.GeneraIcriteriaforassigningservicecIassestoindividuaImotorvehicIecomponentsaregiveninDesignstandard00160togetherwithaIistofcomponentsdividedaccordingtoservicecIass.THEONLYVAL,DREFERE9.01102/10ChangeAnyIegisIativeconstraints(type一approvaIand/orreguIatoryrequirements)areindicatedondrawing(boxmarKed“Constraints”or“vincoIi”ontitIebIocKasshowninAnnex1)andotherengineeringdocumentsusingsymboIsandabbreviationsasperstd.s01366/01and07471.AIistofcomponentssubjecttotheseconstraintsisprovidedinDesignstandards01930/01.3.2Classificationofcharacteristics3.2.1Eachcharacteristicoftheproductisassigneda“CIassofimportance”onthebasisofthefoIIow-ingfactors,whichareIistedintheorderofpriority:一theconsequenceswhichanydepartureofthecharacteristicfromengineeringspecifications(e.g.nominaIvaIues,toIerances,etc.)couIdhaveontheproductorassembIyforwhichtheproductisintended;一theIiKeIihoodthatsuchconsequenceswiIIfoIIow(e.g.thedesignmarginsofsafetyforthecharacteristic);一theIiKeIihoodthatsuchadeparturefromspecificationswiIIoccur(e.g.theeasewithwhichthecharacteristicisproducedbynormaIprocesses).ThiscIassificationisessentiaIinestabIishingthequaIityIeveIstobeassignedtoproductcharac-teristics,i.e:一,tprovidesguidanceinseIectinganappropriatemanufacturingprocess(machinery,processcycIes,reguIarmaintenanceandadjustmentscheduIes,etc.).一,tpermitsmorerationaIinspectiondistribution(cycIesandtooIing,periodicinstrumentscaI-ibration,sampIingpIans,etc.)3.2.2CIassesofimportanceforproductcharacteristicsareshowninTabIeCIassesofimportancetobeassignedtocharacteristicscommontodifferentproducts(e.g.dimensions,formerrors,surfaceroughness,appearance,etc.)shaIIgeneraIIybeasshowninTabIes2,3and4.,fthesecIassesareconsideredtobeappropriateforthespecificcaseconcerned,theymaybeindicatedbyreferencetoP.s.9.01102ontheappIicabIeProcurementspecificationratherthanbeingindicatedexpIicitIyonengineeringdocuments(drawings,standardPartsheets,Procure-mentspecifications,etc.).Fordrawings,cIassindicationandreferencetothisP.s.isautomaticthroughreferencetostd.01444intitIebIocK.wherethecIassesshowninTabIes2,3and4arenotconsideredtobesuitabIe,andwherespe-cificorcriticaIcharacteristicsareinvoIved,thecIassofimportanceshaIIbeindicateddirectIyontheengineeringdocumentscoveringtheproduct.CIassificationsofdimensionaIcharacteristicsasshowninTabIes3and4wereestabIishedontheassumptionthatthecIoserthetoIerancerange,themoreimportantthecharacteristic.,tshouIdberecognized,however,thatthisisnotageneraIruIe,butisusedonIyasaninitiaIassess-mentofacharacteristic’simportance.DrawingsforwhichcharacteristicshavebeencIassifiedshaIIbeindicatedbyfiIIinginthetitIebIocKboxC/CasshowninAnnex1.THEONLYVAL,DREFEREChangeTABLE1一CLASS,F,CAT,ONOFCHARACTER,ST,CS(*)Notondwg.Departurefromspecificationsmayimpairproductefficiencyand/orser-viceabiIity(safetyand/orcompIiancewithreguIatoryrequirements,service,performance,reIiabiIity,etc.).CCDeparturefromspecificationsmayIeadtopartiaIimpairmentofproducteffi-ciencyand/orserviceabiIity,indepen-dentIyoftheIikeIihoodthatthesecon-+、+DeparturefromspecificationscanonIycauseminorprobIems,independentIyoftheIikeIihoodthattheseprobIems一一*Std.01366/01aIsoshowsthesymboIstobeusedforcharacteristicssubjecttoIegisIativeconstraintsasIistedonDesignStandards01930and01930/01andforReportCharacteristicsasperP.S.901102/05.EngineeringdocumentsissueduptoJune30.1985usedthefoIIowingfivecIasssystem:CR,T,CALMAJORAMAJORBM,NORAM,NORBC +A +B =CR,T,CAL}=MAJOR}=M,NORC+一THEONLYVAL,DREFERE9.01102/10ChangeTABLE2一CLASS,F,CAT,ONOFSOMECOMMONCHARACTER,ST,CSCHARACTERlSTlCCLASSOFDiameters:pitch,majorofbotherdiametersotherdiametersPhysicaI,chemicaIandfabricationpropertiesSpringfIexibiIitycCompressioncoiIspringsotherspringscharacteristic)otheritemsAppearance(asfabricationcharacteristc)*CharacteristicstobeseIected(i.e.whoserequirementsaredividedintocIassesinordertoachievecIoserfits)shaIIbeconsideredasCR,T,CAL.●ThiscIassificationcanbeappIiedwithaccuracyonIyifcomparativereferences(i.e.photographicordescriptive)areavaiIabIeshowingpermissibIeandnon一permissibIedepar-tures(i.e.coIour,appearance,etc.).THEONLYVAL,DREFEREChangeTABLE3一CLASS,F,CAT,ONOFD,MENS,ONALCHARACTER,ST,CSBYTOLERANCEFORMACH,N,NG,PMPRODUCTS,CERTA,NSTAMP,NGOPERAT,ONS,ND,CATEDONDRAW-,NG(e.g.blanking,coining,etc.)ANDCERTA,NPLAST,CPRODUCTS(e.g.carburetorairintakesilencers,valvetimingcovers,etc.)NominaIdimensionsmm>3to6>6to10>10to18>18to30>30to50>50to80>80to120>120to180>180to250>250to315>315to400>400to500>500to630>630to800>800to1000>1000to1250>1250to1600>1600to2000>2000to2500>2500>0.014>0.018>0.022>0.027>0.033>0.039>0.046>0.054>0.063>0.072>0.081>0.089>0.097>0.110>0.125>0.140>0.165>0.195>0.230>0.280>0.330>30,●DimensionstobeseIected(i.e.whosetoIerancesaredividedintocIassesinordertoachievecIoserfits)shaIIbeconsideredasCR,T,CAL,regardIessoftoIerance.●DimensionsforwhichuniIateraI(minimumormaximum)toIerancesarespecifiedandthosewithouttoIerances(seeStd.01455/...)shaIIbeconsideredasM,NOR,unIessotherwisespe-cifiedondrawing.THEONLYVAL,DREFERE9.01102/10ChangeTABLE4一CLASS,F,CAT,ONOFD,MENS,ONALCHARACTER,ST,CSBYTOLERANCEFORPROCESSESANDPRODUCTSNOTCOVEREDBYTABLE3NominaIdimensionsmm>50to315>315to800>800to1000>1000to1250>1250to1600>1600to2000>2000to2500>2500to3000>3000to3750>3750to4500>4500to5500>5500>0.15>0.2>0.25>0.3>0.35>0.4>0.45>0.5>0.6>0.7>0.8>0.9>1>30,DimensionsforwhichuniIateraI(minimumormaximum)toIerancesarespecifiedandthosewith-outdrawingtoIerances(see(Std.01455/...)shaIIbeconsideredasM,NOR,unIessotherwisespecifiedondrawing.THEONLYVAL,DREFEREChange3.2.4ClassificationcriteriaforcharacteristicsinrelationtoproductServiceClassCorreIationbetweenproductServicecIassesandCIassesof,mportanceforcharacteristics.大大大大大ReferringtocorreIationgivenin§.foreachproductServiceCIass,characteristicsmaybeassignedtoanyofthethreeCIassesof,mportance.However,thebasiccharacteristicsofaServiceCIass1productaregeneraIIytobeassignedtothemostrestrictiveCIassesof,mpor-tance(CriticaIand/orMajor),whiIeIessimportantcharacteristicsarecIassifiedasMinor.SimiIarIy,basiccharacteristicsofServiceCIass2productsaregeneraIIycIassifiedasMajor,thoughincertainexceptionaIcases,itmaybeadvisabIetocIassifythemasCriticaI.RemainingcharacteristicsofsuchproductswiIIbecIassifiedas“Minor”.SimiIarcriteriaaretobefoIIowedforServiceCIass3components.3.3ThoughthefoIIowingconsiderationsconcerningcIassificationofproductsandtheircharacteris-ticsareprimariIyofinteresttoDepartmentsmakinguseofengineeringdrawings,theyshouIdaIsobeborneinmindbytheDesigner:a)cIassificationsforcharacteristicsareestabIishedessentiaIIyformanufacturingpurposes(e.g.theyareusedinseIectingmanufacturingprocessesandcontroIsasindicatedin§2.2.1);b)productcIassificationsareaIsoestabIishedforIogisticpurposes,viz.:一theyindicatespeciaIconstraintsontheproduct(safetyand/orconformity,traceabiIity,retentionofrecords,etc.);一theyprovideinformation,particuIarIywherenoProcurementSpecificationhasbeenissued,onproducthandingthroughoutproduction(incIudingrawmateriaIacceptance,storage,transport,protection,etc.)andduringservice(e.g.scheduIedmaintenance).c)Theresourcesdedicatedtodefectpreventionandproduct/processcontroImustbedistribu-tedinaccordancewiththeServiceCIassandCIassof,mportanceassignedtoeachcharacte-ristic.,nanycase,aIIcharacteristicsshaIIbeguaranteedbyproductionregardIessoftheSer-viceCIassassignedtotheproduct.THEONLYVAL,DREFERE9.01102/10Change4QUAL,TYREQU,REMENTSThoughmanufacturingprocessesshaIIaIwaysbedesignedsothatengineeringspecificationsaremet,theCIassof,mportanceofcharacteristicsisnecessaryfordefinitionofproductaccept-abiIityIimits,sinceitprovides:一thecriteriaforestabIishingprocessandmachinecapabiIityobjects(Cm,Cmk;Pp,Ppk;Cp,Cpk)duringdeveIopmentofnewmanufacturingprocesses;一theevaIuationcriteriatobeused:.forProcessstatisticaIControI(forvariabIes/attributes,onproductcharacteristics/processparame-ters,etc.);.forproductcontroI;onfinischedproducts,asweIIasduringmanufacturing(forvariabIes/attributes,statisticaI/seIective,objectivitysystems,productaudit,etc.)GraduaIshiftingofCompanymethodoIogicaIapproachfrom“Laterinspectionofproduct”to“PreventivecontroIofprocess”impIiesnewmethodsforthedefinitionofproductacceptabiIityIimits:i.e.,thenonconformitypercentageaIIowedforonecharacteristic,givenitsCIassof,mportance,dependsonthecapabiIityobjectsestabIishedfortheprocessconcerned.Forthisreason,requirementsindicatedonF,ATAutoTechnicaIDocuments(Drawings,Procure-mentspecifications,standards,etc.)referringto,CQcoefficient(QuaIityConformity,ndex)orGNA(MaximumPermissibIeNonconformityLeveI)aretobeconsideredasout一of一date;criteriaindicatedunderTable6shaIIanyhowbeadopted.Fornewproducts/processes,startingfromJuIy,1.1993,thefoIIowingrequirementsappIy.4.1Machine/processcapabilityobjects(new,withnewequipment,selocated,completelyrevised)4.1.1MachineTakingintoaccountthatthemachinecapabiIityobjectsareconsideredbyFiatAutoasbeingabIetoguaranteetheconsequentprocesscapabiIityobjects(Pp,PpkeCp,Cpk)twocasesmaybeidentified:一preIiminarystudyofnewprocess(shortTermCapabiIity:see)isperformedincoIIabo-rationwiththemachinerysuppIier(withintheProcessCodesign)atthesuppIierpIantand/oratFiatAutopIant:theobjectstobeexaminedarethosereIatingtopreIiminarystudyasper;一preIiminarystudyofnewprocessisperformedbyFiatAutowithoutdirectinterventionofsup-pIier;inthiscase,thesuppIierwiIIbegiventhemachinecapabiIityobjectswhichareconsid-eredasindispensablebyFiatAutotoreachitsprocesscapabiIityobjects.TheCm,Cmk,vaIues,subdividedaspertechnoIogytype,arecontainedintheappropriatestandards70110/...,usedformachineryacceptance.4.1.2ProcessPreliminarystudyofnewprocess(shortTermCapabiIity,duringpre一seriesorsignificantIot:seeTHEONLYVAL,DREFEREChangeTABLE5,MPORTANCEOFCHARACTER,ST,CPROCESSCAPAB,L,TYOBJECTS(Pp,Ppk)AIIothercharacteristicsActionstobeperformed:一studyandpIanfurtherprocessimprovements一ifnecessary,repeatShortTermchecktoverifyimprovementsLongTermCapability(seeP.S.9.01102/08).RefertoTabIe6.TABLE6PROCESSCAPAB,L,TYOBJECTS(Cp,Cpk)▲AIIothercharacteristicsProcessstatusActionstobeperformedProcessin“StatisticaIcontroI”EstabIishappropriatefiItersonproduct(*)Acce